45mm and 55mm Plastic Extruder Machine is a manufacturing device that is used to create plastic products through a process called extrusion. The machine consists of a hopper, an extruder barrel, and a die, all of which work together to melt and shape plastic materials into a specific form. 45mm and 55mm Plastic Extruder Machine is a specially designed component that determines the shape and size of the final product. The extruded plastic material is then cooled and hardened, after which it can be cut to the desired length.